Question

help please ::::::::::::::::​

Answer 1

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$☆The \: rational \: number \: is \: \frac{ - 1}{2}$

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☆Let the required rational number be x

☆ATQ

$x \times \frac{5}{2} + \frac{2}{3} = \frac{ - 7}{12} \\ = > \frac{5x}{2} = \frac{ - 7}{12} - \frac{2}{3} \\ = > \frac{5x}{2} = \frac{ - 7 - 8}{12} \\ = > \frac{5x}{2} = \frac{ - 15}{12} \\ = > 6 \times 5x = - 15 \\ = > 30x = - 15 \\ = > x = \frac{ - 15}{30} = \frac{ - 3}{6} \\ = > x = \frac{ - 1}{2}$

hope it helps... ^_^